storage/mozStorageAsyncStatementParams.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
   2  * vim: sw=2 ts=2 et lcs=trail\:.,tab\:>~ :
   3  * This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef mozilla_storage_mozStorageAsyncStatementParams_h_
   8 #define mozilla_storage_mozStorageAsyncStatementParams_h_
   9
  10 #include "mozilla/Attributes.h"
  11 #include "mozilla/ErrorResult.h"
  12 #include "nsPIDOMWindow.h"
  13 #include "nsWrapperCache.h"
  14
  15 namespace mozilla {
  16 namespace storage {
  17
  18 class AsyncStatement;
  19
  20 class AsyncStatementParams final : public nsISupports, public nsWrapperCache {
  21  public:
  22   NS_DECL_CYCLE_COLLECTING_ISUPPORTS
  23   NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(AsyncStatementParams)
  24
  25   explicit AsyncStatementParams(nsPIDOMWindowInner* aWindow,
  26                                 AsyncStatement* aStatement);
  27
  28   void NamedGetter(JSContext* aCx, const nsAString& aName, bool& aFound,
  29                    JS::MutableHandle<JS::Value> aResult,
  30                    mozilla::ErrorResult& aRv);
  31
  32   void NamedSetter(JSContext* aCx, const nsAString& aName,
  33                    JS::Handle<JS::Value> aValue, mozilla::ErrorResult& aRv);
  34
  35   uint32_t Length() const {
  36     // WebIDL requires a .length property when there's an indexed getter.
  37     // Unfortunately we don't know how many params there are in the async case,
  38     // so we have to lie.
  39     return UINT16_MAX;
  40   }
  41
  42   void IndexedGetter(JSContext* aCx, uint32_t aIndex, bool& aFound,
  43                      JS::MutableHandle<JS::Value> aResult,
  44                      mozilla::ErrorResult& aRv);
  45
  46   void IndexedSetter(JSContext* aCx, uint32_t aIndex,
  47                      JS::Handle<JS::Value> aValue, mozilla::ErrorResult& aRv);
  48
  49   void GetSupportedNames(nsTArray<nsString>& aNames);
  50
  51   JSObject* WrapObject(JSContext* aCx,
  52                        JS::Handle<JSObject*> aGivenProto) override;
  53
  54   nsPIDOMWindowInner* GetParentObject() const { return mWindow; }
  55
  56  private:
  57   virtual ~AsyncStatementParams() {}
  58
  59   nsCOMPtr<nsPIDOMWindowInner> mWindow;
  60   AsyncStatement* mStatement;
  61
  62   friend class AsyncStatementParamsHolder;
  63 };
  64
  65 }  // namespace storage
  66 }  // namespace mozilla
  67
  68 #endif  // mozilla_storage_mozStorageAsyncStatementParams_h_